Firearm buttstock assembly



FIG. 1 is a perspective side view showing my design for a firearmbuttstock assembly secured to an autoloading rifle;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portions of the autoloading rifle shown in broken lines are forillustrative purposes only and form no part of the inventive design.

CLAIM I claim the ornamental design for a firearm buttstock assembly, asshown.